5 letters · 9 points in Scrabble
origin* Perhaps from skeleton, describing the often skeletal appearance of drug users. * Alternatively, from skellum or skelder ("to beg in the streets"). Used by Ben Jonson, 1599. * In the sense of a suspicious person, popularized by the American TV police drama NYPD Blue.
Etymology from Wiktionary, CC BY-SA 3.0